3 * dvd.c -- Routines specific to DVD devices (and
4 * possibly other removable hard media).
11 Copyright (C) 2005 Kern Sibbald
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License
15 version 2 as amended with additional clauses defined in the
16 file LICENSE in the main source directory.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 the file LICENSE for additional details.
28 /* Forward referenced functions */
29 static void edit_device_codes_dev(DEVICE *dev, POOL_MEM &omsg, const char *imsg);
30 static bool do_mount_dev(DEVICE* dev, int mount, int dotimeout);
31 static void add_file_and_part_name(DEVICE *dev, POOL_MEM &archive_name);
34 * Write the current volume/part filename to archive_name.
36 void make_mounted_dvd_filename(DEVICE *dev, POOL_MEM &archive_name)
38 pm_strcpy(archive_name, dev->device->mount_point);
39 add_file_and_part_name(dev, archive_name);
40 dev->set_part_spooled(false);
43 void make_spooled_dvd_filename(DEVICE *dev, POOL_MEM &archive_name)
45 /* Use the working directory if spool directory is not defined */
46 if (dev->device->spool_directory) {
47 pm_strcpy(archive_name, dev->device->spool_directory);
49 pm_strcpy(archive_name, working_directory);
51 add_file_and_part_name(dev, archive_name);
52 dev->set_part_spooled(true);
55 static void add_file_and_part_name(DEVICE *dev, POOL_MEM &archive_name)
58 if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
59 pm_strcat(archive_name, "/");
62 pm_strcat(archive_name, dev->VolCatInfo.VolCatName);
63 /* if part > 1, append .# to the filename (where # is the part number) */
65 pm_strcat(archive_name, ".");
66 bsnprintf(partnumber, sizeof(partnumber), "%d", dev->part);
67 pm_strcat(archive_name, partnumber);
69 Dmsg1(100, "Exit make_dvd_filename: arch=%s\n", archive_name.c_str());
73 * If timeout, wait until the mount command returns 0.
74 * If !timeout, try to mount the device only once.
76 bool mount_dev(DEVICE* dev, int timeout)
78 Dmsg0(90, "Enter mount_dev\n");
79 if (dev->is_mounted()) {
81 } else if (dev->requires_mount()) {
82 return do_mount_dev(dev, 1, timeout);
88 * If timeout, wait until the unmount command returns 0.
89 * If !timeout, try to unmount the device only once.
91 bool unmount_dev(DEVICE *dev, int timeout)
93 Dmsg0(90, "Enter unmount_dev\n");
94 if (dev->is_mounted()) {
95 return do_mount_dev(dev, 0, timeout);
100 /* (Un)mount the device */
101 static bool do_mount_dev(DEVICE* dev, int mount, int dotimeout)
103 POOL_MEM ocmd(PM_FNAME);
108 sm_check(__FILE__, __LINE__, false);
110 if (dev->is_mounted()) {
111 Dmsg0(200, "======= DVD mount=1\n");
114 icmd = dev->device->mount_command;
116 if (!dev->is_mounted()) {
117 Dmsg0(200, "======= DVD mount=0\n");
120 icmd = dev->device->unmount_command;
123 edit_device_codes_dev(dev, ocmd, icmd);
125 Dmsg2(200, "do_mount_dev: cmd=%s mounted=%d\n", ocmd.c_str(), !!dev->is_mounted());
128 /* Try at most 1 time to (un)mount the device. This should perhaps be configurable. */
133 results = get_memory(2000);
135 /* If busy retry each second */
136 while ((status = run_program_full_output(ocmd.c_str(),
137 dev->max_open_wait/2, results)) != 0) {
138 /* Doesn't work with internationalisation (This is not a problem) */
139 if (fnmatch("*is already mounted on", results, 0) == 0) {
143 /* Sometimes the device cannot be mounted because it is already mounted.
144 * Try to unmount it, then remount it */
146 Dmsg1(400, "Trying to unmount the device %s...\n", dev->print_name());
147 do_mount_dev(dev, 0, 0);
152 Dmsg2(40, "Device %s cannot be mounted. ERR=%s\n", dev->print_name(), results);
153 Mmsg(dev->errmsg, _("Device %s cannot be mounted. ERR=%s\n"),
154 dev->print_name(), results);
156 * Now, just to be sure it is not mounted, try to read the
160 struct dirent *entry, *result;
164 name_max = pathconf(".", _PC_NAME_MAX);
165 if (name_max < 1024) {
169 if (!(dp = opendir(dev->device->mount_point))) {
171 dev->dev_errno = errno;
172 Dmsg3(29, "open_mounted_dev: failed to open dir %s (dev=%s), ERR=%s\n",
173 dev->device->mount_point, dev->print_name(), be.strerror());
177 entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);
179 if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
180 dev->dev_errno = EIO;
181 Dmsg2(129, "open_mounted_dev: failed to find suitable file in dir %s (dev=%s)\n",
182 dev->device->mount_point, dev->print_name());
185 if ((strcmp(result->d_name, ".")) && (strcmp(result->d_name, "..")) && (strcmp(result->d_name, ".keep"))) {
186 count++; /* result->d_name != ., .. or .keep (Gentoo-specific) */
189 Dmsg2(129, "open_mounted_dev: ignoring %s in %s\n",
190 result->d_name, dev->device->mount_point);
196 Dmsg1(29, "open_mounted_dev: got %d files in the mount point (not counting ., .. and .keep)\n", count);
199 mount = 1; /* If we got more than ., .. and .keep */
200 break; /* there must be something mounted */
203 dev->set_mounted(false);
204 sm_check(__FILE__, __LINE__, false);
205 free_pool_memory(results);
206 Dmsg0(200, "============ DVD mount=0\n");
210 dev->set_mounted(mount); /* set/clear mounted flag */
211 free_pool_memory(results);
212 /* Do not check free space when unmounting (otherwise it will mount it again) */
214 update_free_space_dev(dev);
216 Dmsg1(200, "============ DVD mount=%d\n", mount);
220 /* Update the free space on the device */
221 void update_free_space_dev(DEVICE* dev)
223 POOL_MEM ocmd(PM_FNAME);
230 /* The device must be mounted in order to dvd-freespace to work */
233 sm_check(__FILE__, __LINE__, false);
234 icmd = dev->device->free_space_command;
238 dev->free_space_errno = 0;
239 dev->clear_freespace_ok(); /* No valid freespace */
241 Dmsg2(29, "update_free_space_dev: free_space=%s, free_space_errno=%d (!icmd)\n",
242 edit_uint64(dev->free_space, ed1), dev->free_space_errno);
246 edit_device_codes_dev(dev, ocmd, icmd);
248 Dmsg1(29, "update_free_space_dev: cmd=%s\n", ocmd.c_str());
250 results = get_pool_memory(PM_MESSAGE);
252 /* Try at most 3 times to get the free space on the device. This should perhaps be configurable. */
256 if (run_program_full_output(ocmd.c_str(), dev->max_open_wait/2, results) == 0) {
257 Dmsg1(100, "Free space program run : %s\n", results);
258 free = str_to_int64(results);
260 dev->free_space = free;
261 dev->free_space_errno = 0;
262 dev->set_freespace_ok(); /* have valid freespace */
264 Mmsg0(dev->errmsg, "");
269 dev->free_space_errno = EPIPE;
270 dev->clear_freespace_ok(); /* no valid freespace */
271 Mmsg1(dev->errmsg, _("Cannot run free space command (%s)\n"), results);
274 Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
275 "free_space_errno=%d ERR=%s\n", dev->print_name(),
276 edit_uint64(dev->free_space, ed1), dev->free_space_errno,
282 dev->dev_errno = dev->free_space_errno;
283 Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
284 "free_space_errno=%d ERR=%s\n",
285 dev->print_name(), edit_uint64(dev->free_space, ed1),
286 dev->free_space_errno, dev->errmsg);
290 free_pool_memory(results);
291 Dmsg4(29, "update_free_space_dev: free_space=%s freespace_ok=%d free_space_errno=%d have_media=%d\n",
292 edit_uint64(dev->free_space, ed1), !!dev->is_freespace_ok(), dev->free_space_errno, !!dev->have_media());
293 sm_check(__FILE__, __LINE__, false);
298 * Write a part (Vol, Vol.1, ...) from the spool to the DVD
299 * This routine does not update the part number, so normally, you
300 * should call open_next_part()
301 * It is also called from truncate_dvd_dev to "blank" the medium, as
302 * well as from block.c when the DVD is full to write the last part.
304 bool dvd_write_part(DCR *dcr)
306 DEVICE *dev = dcr->dev;
307 POOL_MEM archive_name(PM_FNAME);
309 /* Don't write empty part files.
310 * This is only useful when growisofs does not support write beyond
313 * - 3.9 GB on the volume, dvd-freespace reports 0.4 GB free
314 * - Write 0.2 GB on the volume, Bacula thinks it could still
315 * append data, it creates a new empty part.
316 * - dvd-freespace reports 0 GB free, as the 4GB boundary has
318 * - Bacula thinks he must finish to write to the device, so it
319 * tries to write the last part (0-byte), but dvd-writepart fails...
321 if (dev->part_size == 0) {
322 Dmsg2(29, "dvd_write_part: device is %s, won't write blank part %d\n", dev->print_name(), dev->part);
323 /* Delete spool file */
324 make_spooled_dvd_filename(dev, archive_name);
325 unlink(archive_name.c_str());
326 Dmsg1(29, "unlink(%s)\n", archive_name.c_str());
327 sm_check(__FILE__, __LINE__, false);
331 POOL_MEM ocmd(PM_FNAME);
332 POOL_MEM results(PM_MESSAGE);
338 sm_check(__FILE__, __LINE__, false);
339 Dmsg3(29, "dvd_write_part: device is %s, part is %d, is_mounted=%d\n", dev->print_name(), dev->part, dev->is_mounted());
340 icmd = dev->device->write_part_command;
342 edit_device_codes_dev(dev, ocmd, icmd);
345 * original line follows
346 * timeout = dev->max_open_wait + (dev->max_part_size/(1350*1024/2));
347 * I modified this for a longer timeout; pre-formatting, blanking and
348 * writing can take quite a while
350 * NB: Use part_size and not max_part_size, needed when you don't set max part size (so it defaults to 0)
352 timeout = dev->max_open_wait + (dev->part_size/(1350*1024)*8);
354 Dmsg2(29, "dvd_write_part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);
356 status = run_program_full_output(ocmd.c_str(), timeout, results.c_str());
358 Mmsg1(dev->errmsg, _("Error while writing current part to the DVD: %s"),
360 Dmsg1(000, "%s", dev->errmsg);
361 dev->dev_errno = EIO;
362 mark_volume_in_error(dcr);
363 sm_check(__FILE__, __LINE__, false);
366 dev->num_parts++; /* there is now one more part on DVD */
369 /* Delete spool file */
370 make_spooled_dvd_filename(dev, archive_name);
371 unlink(archive_name.c_str());
372 Dmsg1(29, "unlink(%s)\n", archive_name.c_str());
373 sm_check(__FILE__, __LINE__, false);
375 /* growisofs umounted the device, so remount it (it will update the free space) */
376 dev->clear_mounted();
378 Jmsg(dcr->jcr, M_INFO, 0, _("Remaining free space %s on %s\n"),
379 edit_uint64_with_commas(dev->free_space, ed1), dev->print_name());
380 sm_check(__FILE__, __LINE__, false);
384 /* Open the next part file.
386 * - Increment part number
387 * - Reopen the device
389 int dvd_open_next_part(DCR *dcr)
391 DEVICE *dev = dcr->dev;
393 Dmsg6(29, "Enter: ==== open_next_part part=%d npart=%d dev=%s vol=%s mode=%d file_addr=%d\n",
394 dev->part, dev->num_parts, dev->print_name(),
395 dev->VolCatInfo.VolCatName, dev->openmode, dev->file_addr);
396 if (!dev->is_dvd()) {
397 Dmsg1(000, "Device %s is not dvd!!!!\n", dev->print_name());
401 /* When appending, do not open a new part if the current is empty */
402 if (dev->can_append() && (dev->part >= dev->num_parts) &&
403 (dev->part_size == 0)) {
404 Dmsg0(29, "open_next_part exited immediately (dev->part_size == 0).\n");
416 * If we have a part open for write, then write it to
417 * DVD before opening the next part.
419 if (dev->is_dvd() && (dev->part >= dev->num_parts) && dev->can_append()) {
420 if (!dvd_write_part(dcr)) {
421 Dmsg0(29, "Error in dvd_write part.\n");
426 if (dev->part > dev->num_parts) {
427 Dmsg2(000, "In open_next_part: part=%d nump=%d\n", dev->part, dev->num_parts);
428 ASSERT(dev->part <= dev->num_parts);
430 dev->part_start += dev->part_size;
433 Dmsg2(29, "part=%d num_parts=%d\n", dev->part, dev->num_parts);
434 /* I think this dev->can_append() should not be there */
435 if ((dev->num_parts < dev->part) && dev->can_append()) {
436 POOL_MEM archive_name(PM_FNAME);
439 * First check what is on DVD. If our part is there, we
440 * are in trouble, so bail out.
441 * NB: This is however not a problem if we are writing the first part.
442 * It simply means that we are overriding an existing volume...
444 if (dev->num_parts > 0) {
445 make_mounted_dvd_filename(dev, archive_name); /* makes dvd name */
446 if (stat(archive_name.c_str(), &buf) == 0) {
447 /* bad news bail out */
448 Mmsg1(&dev->errmsg, _("Next Volume part already exists on DVD. Cannot continue: %s\n"),
449 archive_name.c_str());
454 Dmsg2(100, "num_parts=%d part=%d\n", dev->num_parts, dev->part);
455 dev->VolCatInfo.VolCatParts = dev->part;
456 make_spooled_dvd_filename(dev, archive_name); /* makes spool name */
458 /* Check if the next part exists in spool directory . */
459 if ((stat(archive_name.c_str(), &buf) == 0) || (errno != ENOENT)) {
460 Dmsg1(29, "open_next_part %s is in the way, moving it away...\n", archive_name.c_str());
461 /* Then try to unlink it */
462 if (unlink(archive_name.c_str()) < 0) {
464 dev->dev_errno = errno;
465 Mmsg2(dev->errmsg, _("open_next_part can't unlink existing part %s, ERR=%s\n"),
466 archive_name.c_str(), be.strerror());
471 /* KES. It seems to me that this if should not be
472 * needed. If num_parts represents what is on the DVD
473 * we should only need to change it when writing a part
476 if (dev->num_parts < dev->part) {
477 Dmsg2(100, "Set npart=%d to part=%d\n", dev->num_parts, dev->part);
478 dev->num_parts = dev->part;
479 dev->VolCatInfo.VolCatParts = dev->part;
481 Dmsg2(50, "Call dev->open(vol=%s, mode=%d\n", dev->VolCatInfo.VolCatName,
485 int append = dev->can_append();
486 if (dev->open(dcr, dev->openmode) < 0) {
489 dev->set_labeled(); /* all next parts are "labeled" */
490 if (append && (dev->part == dev->num_parts)) { /* If needed, set the append flag back */
497 /* Open the first part file.
499 * - Reopen the device
501 int dvd_open_first_part(DCR *dcr, int mode)
503 DEVICE *dev = dcr->dev;
505 Dmsg4(29, "Enter: ==== open_first_part dev=%s Vol=%s mode=%d num_parts=%d\n", dev->print_name(),
506 dev->VolCatInfo.VolCatName, dev->openmode, dev->num_parts);
517 Dmsg2(50, "Call dev->open(vol=%s, mode=%d)\n", dcr->VolCatInfo.VolCatName,
519 if (dev->open(dcr, mode) < 0) {
520 Dmsg0(50, "open dev() failed\n");
523 Dmsg1(50, "Leave open_first_part state=%s\n", dev->is_open()?"open":"not open");
528 /* Protected version of lseek, which opens the right part if necessary */
529 off_t lseek_dev(DEVICE *dev, off_t offset, int whence)
533 char ed1[50], ed2[50];
535 Dmsg3(100, "Enter lseek_dev fd=%d part=%d nparts=%d\n", dev->fd,
536 dev->part, dev->num_parts);
537 if (!dev->is_dvd()) {
538 Dmsg0(100, "Using sys lseek\n");
539 return lseek(dev->fd, offset, whence);
542 dcr = (DCR *)dev->attached_dcrs->first(); /* any dcr will do */
545 Dmsg2(100, "lseek_dev SEEK_SET to %s (part_start=%s)\n",
546 edit_uint64(offset, ed1), edit_uint64(dev->part_start, ed2));
547 if ((uint64_t)offset >= dev->part_start) {
548 if (((uint64_t)offset == dev->part_start) || ((uint64_t)offset < (dev->part_start+dev->part_size))) {
549 /* We are staying in the current part, just seek */
550 if ((pos = lseek(dev->fd, offset-dev->part_start, SEEK_SET)) < 0) {
553 return pos + dev->part_start;
556 /* Load next part, and start again */
557 if (dvd_open_next_part(dcr) < 0) {
558 Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
561 return lseek_dev(dev, offset, SEEK_SET);
565 * pos < dev->part_start :
566 * We need to access a previous part,
567 * so just load the first one, and seek again
568 * until the right one is loaded
570 if (dvd_open_first_part(dcr, dev->openmode) < 0) {
571 Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
574 return lseek_dev(dev, offset, SEEK_SET);
578 Dmsg1(100, "lseek_dev SEEK_CUR to %s\n", edit_uint64(offset, ed1));
579 if ((pos = lseek(dev->fd, (off_t)0, SEEK_CUR)) < 0) {
582 pos += dev->part_start;
584 Dmsg1(100, "lseek_dev SEEK_CUR returns %s\n", edit_uint64(pos, ed1));
586 } else { /* Not used in Bacula, but should work */
587 return lseek_dev(dev, pos, SEEK_SET);
591 Dmsg1(100, "lseek_dev SEEK_END to %s\n", edit_uint64(offset, ed1));
593 * Bacula does not use offsets for SEEK_END
594 * Also, Bacula uses seek_end only when it wants to
595 * append to the volume, so for a dvd that means
596 * that the volume must be spooled since the DVD
597 * itself is read-only (as currently implemented).
599 if (offset > 0) { /* Not used by bacula */
600 Dmsg1(100, "lseek_dev SEEK_END called with an invalid offset %s\n",
601 edit_uint64(offset, ed1));
605 /* If we are already on a spooled part and have the
606 * right part number, simply seek
608 if (dev->is_part_spooled() && dev->part == dev->num_parts) {
609 if ((pos = lseek(dev->fd, (off_t)0, SEEK_END)) < 0) {
612 Dmsg1(100, "lseek_dev SEEK_END returns %s\n",
613 edit_uint64(pos + dev->part_start, ed1));
614 return pos + dev->part_start;
618 * Load the first part, then load the next until we reach the last one.
619 * This is the only way to be sure we compute the right file address.
621 * Save previous openmode, and open all but last part read-only
624 int modesave = dev->openmode;
625 /* Works because num_parts > 0. */
626 if (dvd_open_first_part(dcr, OPEN_READ_ONLY) < 0) {
627 Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
630 if (dev->num_parts > 0) {
631 while (dev->part < (dev->num_parts-1)) {
632 if (dvd_open_next_part(dcr) < 0) {
633 Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
637 dev->openmode = modesave;
638 if (dvd_open_next_part(dcr) < 0) {
639 Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
643 return lseek_dev(dev, 0, SEEK_END);
652 bool dvd_close_job(DCR *dcr)
654 DEVICE *dev = dcr->dev;
658 /* If the device is a dvd and WritePartAfterJob
659 * is set to yes, open the next part, so, in case of a device
660 * that requires mount, it will be written to the device.
662 if (dev->is_dvd() && jcr->write_part_after_job && (dev->part_size > 0)) {
663 Dmsg1(100, "Writing last part=%d write_partafter_job is set.\n",
665 if (dev->part < dev->num_parts) {
666 Jmsg3(jcr, M_FATAL, 0, _("Error while writing, current part number is less than the total number of parts (%d/%d, device=%s)\n"),
667 dev->part, dev->num_parts, dev->print_name());
668 dev->dev_errno = EIO;
672 /* This should be !dvd_write_part(dcr)
673 NB: No! If you call dvd_write_part, the part number is not updated.
674 You must open the next part, it will automatically write the part and
675 update the part number. */
676 if (ok && (dvd_open_next_part(dcr) < 0)) {
677 Jmsg2(jcr, M_FATAL, 0, _("Unable to write part %s: ERR=%s\n"),
678 dev->print_name(), strerror_dev(dev));
679 dev->dev_errno = EIO;
683 Dmsg1(200, "Set VolCatParts=%d\n", dev->num_parts);
684 dev->VolCatInfo.VolCatParts = dev->num_parts;
688 bool truncate_dvd_dev(DCR *dcr) {
689 DEVICE* dev = dcr->dev;
691 /* Set num_parts to zero (on disk) */
693 dcr->VolCatInfo.VolCatParts = 0;
694 dev->VolCatInfo.VolCatParts = 0;
696 Dmsg0(100, "truncate_dvd_dev: Opening first part (1)...\n");
698 dev->truncating = true;
699 if (dvd_open_first_part(dcr, OPEN_READ_WRITE) < 0) {
700 Dmsg0(100, "truncate_dvd_dev: Error while opening first part (1).\n");
701 dev->truncating = false;
704 dev->truncating = false;
706 Dmsg0(100, "truncate_dvd_dev: Truncating...\n");
708 /* If necessary, truncate it. */
709 if (ftruncate(dev->fd, 0) != 0) {
711 Mmsg2(dev->errmsg, _("Unable to truncate device %s. ERR=%s\n"),
712 dev->print_name(), be.strerror());
720 Dmsg0(100, "truncate_dvd_dev: Opening first part (2)...\n");
722 if (!dvd_write_part(dcr)) {
723 Dmsg0(100, "truncate_dvd_dev: Error while writing to DVD.\n");
727 if (dvd_open_first_part(dcr, OPEN_READ_WRITE) < 0) {
728 Dmsg0(100, "truncate_dvd_dev: Error while opening first part (2).\n");
735 /* Checks if we can write on a non-blank DVD: meaning that it just have been
736 * truncated (there is only one zero-sized file on the DVD, with the right
738 bool check_can_write_on_non_blank_dvd(DCR *dcr) {
739 DEVICE* dev = dcr->dev;
741 struct dirent *entry, *result;
744 int matched = 0; /* We found an empty file with the right name. */
745 struct stat filestat;
747 name_max = pathconf(".", _PC_NAME_MAX);
748 if (name_max < 1024) {
752 if (!(dp = opendir(dev->device->mount_point))) {
754 dev->dev_errno = errno;
755 Dmsg3(29, "check_can_write_on_non_blank_dvd: failed to open dir %s (dev=%s), ERR=%s\n",
756 dev->device->mount_point, dev->print_name(), be.strerror());
760 entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);
762 if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
763 dev->dev_errno = EIO;
764 Dmsg2(129, "check_can_write_on_non_blank_dvd: failed to find suitable file in dir %s (dev=%s)\n",
765 dev->device->mount_point, dev->print_name());
769 Dmsg2(99, "check_can_write_on_non_blank_dvd: found %s (versus %s)\n",
770 result->d_name, dev->VolCatInfo.VolCatName);
771 if (strcmp(result->d_name, dev->VolCatInfo.VolCatName) == 0) {
772 /* Found the file, checking it is empty */
773 POOL_MEM filename(PM_FNAME);
774 pm_strcpy(filename, dev->device->mount_point);
775 if (filename.c_str()[strlen(filename.c_str())-1] != '/') {
776 pm_strcat(filename, "/");
778 pm_strcat(filename, dev->VolCatInfo.VolCatName);
779 if (stat(filename.c_str(), &filestat) < 0) {
781 dev->dev_errno = errno;
782 Dmsg2(29, "check_can_write_on_non_blank_dvd: cannot stat file (file=%s), ERR=%s\n",
783 filename.c_str(), be.strerror());
786 Dmsg2(99, "check_can_write_on_non_blank_dvd: size of %s is %d\n",
787 filename.c_str(), filestat.st_size);
788 matched = (filestat.st_size == 0);
796 Dmsg2(29, "check_can_write_on_non_blank_dvd: got %d files in the mount point (matched=%d)\n", count, matched);
799 /* There is more than 3 files (., .., and the volume file) */
807 * Edit codes into (Un)MountCommand, Write(First)PartCommand
809 * %a = archive device name
810 * %e = erase (set if cannot mount and first part)
813 * %v = last part name
815 * omsg = edited output message
816 * imsg = input string containing edit codes (%x)
819 static void edit_device_codes_dev(DEVICE* dev, POOL_MEM &omsg, const char *imsg)
825 POOL_MEM archive_name(PM_FNAME);
828 Dmsg1(800, "edit_device_codes: %s\n", imsg);
829 for (p=imsg; *p; p++) {
839 if (dev->num_parts == 0) {
846 bsnprintf(add, sizeof(add), "%d", dev->part);
850 str = dev->device->mount_point;
853 make_spooled_dvd_filename(dev, archive_name);
854 str = archive_name.c_str();
868 Dmsg1(1900, "add_str %s\n", str);
869 pm_strcat(omsg, (char *)str);
870 Dmsg1(1800, "omsg=%s\n", omsg.c_str());